100209105

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 177914880

約数和(自身を除く): 77705775

約数列:

[1, 3, 5, 9, 15, 45, 89, 131, 191, 267, 393, 445, 573, 655, 801, 955, 1179, 1335, 1719, 1965, 2865, 4005, 5895, 8595, 11659, 16999, 25021, 34977, 50997, 58295, 75063, 84995, 104931, 125105, 152991, 174885, 225189, 254985, 375315, 524655, 764955, 1125945, 2226869, 6680607, 11134345, 20041821, 33403035, 100209105]

約数ペア:

[(1, 100209105), (3, 33403035), (5, 20041821), (9, 11134345), (15, 6680607), (45, 2226869), (89, 1125945), (131, 764955), (191, 524655), (267, 375315), (393, 254985), (445, 225189), (573, 174885), (655, 152991), (801, 125105), (955, 104931), (1179, 84995), (1335, 75063), (1719, 58295), (1965, 50997), (2865, 34977), (4005, 25021), (5895, 16999), (8595, 11659)]